chris

Ubuntu 20.04 — cairo — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cairo — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8140-1 Related CVEs: CVE-2020-35492 CVE-2017-9814 CVE-2019-6462 CVE-2019-6461 Upstream summary: Alberto Garcia, Francisco Oca and Suleman Ali discovered that Cairo did not properly manage memory. An attacker could possibly use this […]

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Common Problems 115119

RHEL 8 – Cockpit Web Console Unavailable After Hardening Change

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Common Problems 113093

Windows Server 2016 — Cluster Service (ClusSvc) quorum startup failure — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2020 Affected versions: Windows Server 2016 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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How to Configure Drone CI on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Drone CI on Debian 10

Introduction How to Configure Drone CI on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This […]

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How To Use Python pandas dropna() to Drop NA Values from DataFrame — step-by-step Python tutorial on Progressive Robot

How To Use Python pandas dropna() to Drop NA Values from DataFrame

URL: https://www.progressiverobot.com/pandas-dropna-drop-null-na-values-from-dataframe/ Introduction In this tutorial, you'll learn how to use panda's DataFrame dropna() function. NA values are "Not Available". This can apply to Null, None, pandas.NaT, or numpy.nan. Using dropna() will drop the rows and columns with these values. This can be beneficial to provide you with only valid data. By default, this function […]

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How To Set Up the Eclipse Theia Cloud IDE Platform on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Set Up the Eclipse Theia Cloud IDE Platform on Debian 10

Eclipse Theia is an extensible cloud IDE running on a remote server and accessible from a web browser. In this tutorial, you’ll deploy Eclipse Theia to your Debian 10 server using Docker Compose, a container orchestration tool. You’ll expose it at your domain using nginx-proxy, an automated system for Docker that simplifies the process of configuring Nginx to serve as a reverse proxy for a container.

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Настройка виртуальных хостов Apache в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Настройка виртуальных хостов Apache в Ubuntu 18.04

Веб-сервер Apache — популярный способ размещения сайтов в Интернете. Согласно оценкам, в 2019 году на базе этого веб-сервера работали 29% всех активных сайтов. Он обеспечивает разработчикам преимущества гибкости и надежности. Используя Apache, администратор может настроить один…

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SLES 12 — raptor — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — raptor — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:2895-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25713 CVE-2017-18926 CVE-2012-0037 Upstream summary: A malformed input file can lead to a segfault due to an out of bounds array access in raptor_xml_writer_start_element_common. Table […]

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